The marvel is that apparitions were so long in realizing their possibilities, in improving their advantages. The specters in classic and medieval literature were malarial, vaporous beings without energy to do anything but threaten, and mortals never would have trembled with fear at their frown if they had known how feeble they were. At best a revenant could only rattle a rusty skeleton, or shake a moldy shroud, or clank a chain—but as mortals cowered before his demonstrations, he didn't worry. If he wished to evoke the extreme of anguish from his host, he raised a menacing arm and uttered a windy word or two. Now it takes more than that to produce a panic. The up-to-date ghost keeps his skeleton in a garage or some place where it is cleaned and oiled and kept in good working order. The modern wraith has sold his sheet to the old clo'es man, and dresses as in life. Now the ghost has learned to have a variety of good times, and he can make the living squirm far more satisfyingly than in the past. The spook of to-day enjoys making his haunted laugh even while he groans in terror. He knows that there's no weapon, no threat, in horror, to be compared with ridicule.
